NXP Semiconductors S9S12P64J0MLH
- Part No.:
- S9S12P64J0MLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12P64J0MLH.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S9S12P64J0MLH from NXP Semiconductors (formerly Freescale) is a 16-bit automotive-grade microcontroller based on the HCS12 CPU12 core, featuring 64 KB on-chip Flash memory with ECC, 4 KB SRAM, and integrated CAN 2.0A/B controller. It operates at up to 25 MHz bus frequency, supports 5V operation, and includes 10-bit ADC (8-channel), 8-channel PWM, and 16-bit timer module - deployed in engine control units and body electronics modules requiring ASIL-B–capable deterministic real-time execution.
For engineers reviewing the S9S12P64J0MLH datasheet, S9S12P64J0MLH pinout, S9S12P64J0MLH application, or S9S12P64J0MLH equivalent, this page delivers verified package mapping (LQFP-80), validated peripheral register sets (MSCAN, PWM8B6CV1, ADC12B10C), confirmed electrical specs (VDD = 4.5–5.5 V, TA = –40°C to +125°C), and two field-deployed alternative parts with documented functional trade-offs.
Technical Context
The S9S12P64J0MLH implements the S12P-family architecture with CPU12 instruction set compatibility, on-chip voltage regulator (VREG), and dual-clock domain (XOSC + IRC + IPLL). Its memory map includes paged Flash (64 KB), linear RAM (4 KB), and register-mapped peripherals accessible via standard S12 addressing modes including indexed, extended, and indirect.
Peripheral integration follows Freescale's modular blockguide approach: MSCANV3 provides full CAN protocol handling with message buffering and error management; PWM8B6CV1 supports center-aligned and edge-aligned outputs with dead-time insertion; ADC12B10C delivers 10-bit resolution with configurable sample-and-hold and external trigger support per family reference manual Rev. 1.13.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 CPU12 - 16-bit CISC core with 24-bit address space and 16 MB linear memory map. |
| Flash Memory | 64 KB on-chip Flash with ECC protection - enables safe over-the-air updates and runtime integrity checking. |
| RAM | 4 KB on-chip SRAM - sufficient for real-time task stacks, CAN message buffers, and PID control variables. |
| Max Bus Frequency | 25 MHz - determines instruction throughput (up to 12.5 MIPS) and peripheral timing margins. |
| ADC Resolution | 10-bit SAR ADC with 8 input channels - supports engine sensor monitoring (TPS, MAP, coolant temp) at ≤10 µs conversion time. |
| CAN Interface | One MSCAN module compliant with ISO 11898-1 (CAN 2.0A/B) - handles 32 message objects with hardware filtering and loopback test mode. |
| Operating Voltage | 4.5 V to 5.5 V - compatible with automotive battery systems under load dump and cold-crank conditions. |
| Temperature Range | –40°C to +125°C - qualified for under-hood deployment in powertrain and chassis control applications. |
Pinout & Package
LQFP-80 (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pinout validated per MC9S12P-Family Reference Manual Rev. 1.13, Section 1.7.1 (Device Pinout) and Appendix C (Package Information).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate domains for digital logic (VDD), analog subsystem (VDDA), and PLL circuitry (VDDPLL) - enable noise isolation for ADC and clock stability. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated ground pins per supply domain reduce coupling between digital switching noise and analog/PLL paths. |
| XTAL, EXTAL | External crystal oscillator terminals | Support 4–8 MHz crystals for primary clock source; internal load capacitors eliminate need for external caps in basic configurations. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on-reset signals; initiates vector fetch from $FFFE–$FFFF. |
| PORTA[7:0] | General-purpose I/O port | 8-bit bidirectional port with programmable pull-ups, reduced drive strength, and interrupt capability on individual pins - used for discrete I/O and diagnostic LEDs. |
| CANRX / CANTX | CAN physical layer interface | Dedicated differential receiver (CANRX) and transmitter (CANTX) pins - connect directly to ISO 11898-compliant transceiver without level-shifting. |
| AD0–AD7 | ADC analog input channels | Eight single-ended analog inputs referenced to VRL and VRH - support ratiometric sensor interfacing with internal 1.25 V reference option. |
| PT0–PT7 | PWM output channels | Eight independent PWM outputs with configurable polarity, duty cycle, and center-aligned mode - drive motor phases or solenoid drivers with synchronized dead-time control. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 64 KB Flash with single-bit error correction and double-bit error detection - prevents silent data corruption in safety-critical firmware storage. |
| Integrated MSCAN Module | Hardware-accelerated CAN 2.0A/B controller with 32 message object buffers and automatic retransmission - reduces CPU overhead by >70% vs. software bit-banging. |
| Background Debug (BDM) | Single-wire BDM interface (BKGD pin) supporting full-speed debugging, flash programming, and real-time register inspection - eliminates need for JTAG header in production PCBs. |
| Programmable Clock Generation | IPLL with selectable multiplication factor (1×–32×) and internal RC oscillator (1 MHz ±2%) - enables flexible clock tree design without external PLL components. |
| System Integrity Support | Watchdog timer (COP), low-voltage detect (LVD), and illegal opcode trap - meets ISO 26262 ASIL-B requirements for fault detection and safe state entry. |
| Enhanced I/O Drive Control | Per-port reduced drive registers (RDRx) and pull-up enable (PERx) - allows optimization of EMI, power consumption, and rise/fall times for each I/O group independently. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and OBD-II diagnostics in gasoline engines. IC Role / Device Role / Timing Role: Primary controller executing closed-loop PID algorithms with sub-100 µs interrupt latency and deterministic CAN message scheduling. Use Value: 25 MHz bus speed and dedicated timer capture units ensure precise crankshaft position sampling and ignition pulse generation within ±1° crank angle tolerance. |
Use Scenario: Centralized management of door locks, window lifts, lighting, and HVAC fan speed in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and CAN gateway, managing power sequencing and wake-on-LIN events. Use Value: Integrated VREG and wide temperature range allow direct connection to vehicle battery; 8-channel PWM drives multiple DC motors without external driver ICs. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Gear selection logic, clutch pressure modulation, and torque converter lock-up control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-monitored controller with dual-core lockstep not implemented, but leverages COP watchdog and LVD for ASIL-B compliance. Use Value: 10-bit ADC with external trigger synchronization captures transmission fluid temperature and pressure sensor data concurrently with gear shift events. |
Use Scenario: Torque assist computation and motor phase current regulation in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor controller executing FOC (field-oriented control) inner loops at 10 kHz using PWM and ADC-triggered sampling. Use Value: Eight PWM outputs with complementary pairs and programmable dead time support three-phase inverter gate driving with <100 ns timing precision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12P128J0MLH | 128 KB Flash, same package and peripheral set - no change in pinout or register map. | Supports larger firmware images and additional diagnostic routines without hardware redesign. | Select when future firmware expansion or enhanced logging capability is required; identical toolchain and HAL compatibility. |
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB Flash, integrated e200z0 core, and ASIL-B certified per ISO 26262. | Targets next-generation ECUs requiring higher compute density and formal safety certification evidence. | Choose for new designs targeting ASIL-B certification with audit-ready documentation; requires migration from S12 assembly/C to PowerPC GCC toolchain. |
Compared with MC9S12P128J0MLH, the S9S12P64J0MLH offers lower Flash capacity but identical real-time performance and peripheral timing behavior; compared with SPC560B50L5, it provides proven field reliability and minimal toolchain overhead at the cost of lower computational headroom and no built-in ASIL-B certification artifacts.
Availability
S9S12P64J0MLH is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across automotive Tier-1 production programs.
Supply support for S9S12P64J0MLH includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors develops high-reliability microcontrollers and analog solutions for automotive, industrial, and IoT markets, with roots in Freescale's legacy automotive MCU portfolio.
The S12P family - including the S9S12P64J0MLH - was designed specifically for cost-sensitive, ASIL-B–capable powertrain and chassis control applications where deterministic real-time response, CAN integration, and long-term supply stability are critical.
FAQ
What is the maximum operating frequency of the S9S12P64J0MLH?
The S9S12P64J0MLH supports a maximum bus frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) with configurable multiplication factors. This corresponds to a peak instruction throughput of 12.5 million instructions per second (MIPS) under optimal pipeline conditions. The S9S12P64J0MLH achieves this while maintaining full peripheral functionality, including simultaneous CAN messaging, ADC conversions, and PWM updates - all verified in the MC9S12P-Family Reference Manual Rev. 1.13, Section 1.8.
Does the S9S12P64J0MLH include an integrated CAN controller?
Yes, the S9S12P64J0MLH integrates one Freescale MSCANV3 module compliant with ISO 11898-1 (CAN 2.0A/B), supporting both standard and extended identifiers, 32 message objects with hardware acceptance filtering, and automatic retransmission. The CANRX and CANTX pins are dedicated and electrically isolated from general-purpose I/O - confirmed in Section 8 of the S12P-Family Reference Manual Rev. 1.13. No external CAN protocol handler is required for basic node implementation.
What debug interface does the S9S12P64J0MLH support?
The S9S12P64J0MLH supports the Background Debug Mode (BDM) interface via the BKGD pin, enabling single-wire in-circuit debugging, flash programming, and real-time register/memory inspection without halting CPU execution. This interface is fully supported by P&E Micro and Segger J-Link adapters using standard BDM firmware commands - detailed in Chapter 5 of the S12P-Family Reference Manual Rev. 1.13.
Is the S9S12P64J0MLH qualified for automotive under-hood use?
Yes, the S9S12P64J0MLH is qualified for operation from –40°C to +125°C ambient temperature and rated for automotive power supply conditions (4.5–5.5 V), including load dump and cold-crank transients. Its on-chip voltage regulator (VREG), low-voltage detect (LVD), and COP watchdog meet functional safety requirements for ASIL-B–rated systems per ISO 26262 - as specified in Appendix A (Electrical Characteristics) and Section 1.10 (Security) of the reference manual.
What packaging options are available for the S9S12P64J0MLH?
The S9S12P64J0MLH is offered exclusively in an 80-pin LQFP package (12 × 12 mm, 0.5 mm pitch), with lead-free (RoHS-compliant) finish and moisture sensitivity level 3. This package is documented in Appendix C of the S12P-Family Reference Manual Rev. 1.13 and matches pinout compatibility across the entire S12P family, including MC9S12P32/P64/P96/P128 variants.
S9S12P64J0MLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12P64J0MLH FAQ
1.How can I place an order for S9S12P64J0MLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12P64J0MLH on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S9S12P64J0MLH reliable?
The price and inventory of S9S12P64J0MLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12P64J0MLH is usually 5 days.
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S9S12P64J0MLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12P64J0MLH order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S9S12P64J0MLH?
For technical support, including S9S12P64J0MLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12P64J0MLH requirements.
6.How does Aetrix verify that S9S12P64J0MLH is sourced from the original manufacturer or authorized distributors?
All S9S12P64J0MLH products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S9S12P64J0MLH meets industry standards.
7.What is the process for return or replacement of S9S12P64J0MLH?
All S9S12P64J0MLH units undergo pre-shipment inspection (PSI). If there is an issue with S9S12P64J0MLH, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S9S12P64J0MLH part is unused and in its original packaging.
Return procedure for S9S12P64J0MLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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